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DPInst.exe

Driver Package Installer (DPInst)

Insinooritoimisto J. Rimppi Oy

While the file properties state the file is developed by 'Microsoft Corporation', this is not the case and it is designed just to look like a legitimate Microsoft system file. The application DPInst.exe, “Driver Package Installer” by Insinooritoimisto J. Rimppi Oy has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Microsoft Corporation  (signed by Insinooritoimisto J. Rimppi Oy)

Product:
Driver Package Installer (DPInst)

Description:
Driver Package Installer

Version:
2.1

MD5:
bd93a172fc65f170d449747ef37a0102

SHA-1:
6baa3c98355451e4ff43053302f36a3828c49b66

SHA-256:
7b6969bc00f2db3e9651aa6b73c2dceb85836061aab7de0db34c906e4c0ed801

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
8/21/2025 10:48:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InsinooritoimistoJRimppiOy.Installer (M)
16.1.11.7

File size:
538.5 KB (551,392 bytes)

Product version:
2.1

Copyright:
© Microsoft Corporation. All rights reserved.

Original file name:
DPInst.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\semafore521 \driver32\dpinst.exe

Digital Signature
Signed by:
Insinooritoimisto J. Rimppi Oy

Authority:
GlobalSign nv-sa

Valid from:
3/19/2010 12:23:45 PM

Valid to:
3/20/2011 12:23:42 PM

Subject:
CN=Insinooritoimisto J. Rimppi Oy, O=Insinooritoimisto J. Rimppi Oy, L=Ojakkala, S=Vihti, C=FI

Issuer:
CN=GlobalSign ObjectSign CA, OU=ObjectSign CA, O=GlobalSign nv-sa, C=BE

Serial number:
010000000001277774CAF1

File PE Metadata
Compilation timestamp:
5/23/2009 6:15:06 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:0ZQaKSpwmx5ATm/LC3fwf3OoU9xkYSr/mdBTRhKWIUmPkr+LyIQjB:0ZqSpwmxvL/f3vCNkPkrAyIQjB

Entry address:
0x2116A

Entry point:
E8, 6C, 3C, 00, 00, E9, 1A, FE, FF, FF, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 5D, E9, 1D, 02, 00, 00, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 5D, E9, E5, FF, FF, FF, CC, CC, CC, CC, CC, 6A, 14, 68, A0, C0, 05, 01, E8, 5F, 1C, 00, 00, 83, 65, FC, 00, FF, 4D, 10, 78, 3A, 8B, 4D, 08, 2B, 4D, 0C, 89, 4D, 08, FF, 55, 14, EB, ED, 8B, 45, EC, 89, 45, E4, 8B, 45, E4, 8B, 00, 89, 45, E0, 8B, 45, E0, 81, 38, 63, 73, 6D, E0, 74, 0B, C7, 45, DC, 00, 00, 00, 00, 8B, 45, DC, C3, E8, 8C, 3C, 00, 00, 8B, 65, E8, C7, 45...
 
[+]

Entropy:
6.1641

Code size:
392 KB (401,408 bytes)

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